Research into the material culture of a nation is of great importance because _________.

单项选择题It can be concluded from the passage that the introduction of electronic media into the world of music _________.

单项选择题This passage implies that _________.

单项选择题The word phony (Line l3, Para. 2)means _________. [A] thorough [C] false[B] ultimate [D] decisive

单项选择题The main idea of this passage is that _________.

单项选择题We can infer from the passage that _________.